IBM Partner Pavilion DS4100 Benutzerhandbuch
Installing
SFPs
and
fiber-optic
cables
Each
RAID
controller
unit
has
two
host
ports
and
one
expansion
unit
port.
SFPs
are
inserted
into
the
ports,
and
then
fibre-channel
cables
are
connected
to
the
SFPs.
For
information
on
installing
SFPs
and
fiber-optic
cables,
see
Adding
a
DS4000
EXP100
to
an
existing
DS4100
configuration
(base
storage
server
only)
You
can
add
up
to
seven
DS4000
EXP100
storage
expansion
units
to
a
DS4100
storage
server.
However,
you
do
not
need
to
configure
the
DS4100
with
the
maximum
number
of
DS4000
EXP100s
at
the
time
of
initial
installation.
You
can
add
additional
DS4000
EXP100s
to
an
existing
DS4100
configuration
(up
to
the
maximum
number
of
DS4000
EXP100s
supported
in
a
drive
loop)
as
you
need
more
capacity.
Important
There
might
be
a
requirement
for
new
firmware
to
support
the
maximum
number
of
DS4000
EXP100s
in
a
drive
loop.
Always
add
new
DS4000
EXP100s
when
the
DS4100
is
powered
on
and
in
optimal
state.
Do
not
add
new
DS4000
EXP100s
when
the
DS4100
is
powered
down.
Before
you
cable
DS4000
EXP100s
to
a
loop,
refer
to
the
DS4100
Storage
Server
Fibre
Channel
Cabling
Instructions
that
come
with
your
storage
server
for
specific
instructions.
shows
the
process
of
adding
an
additional
DS4000
EXP100
to
an
existing
DS4100
storage
server
configuration.
Drive
loops
A
and
B
form
one
redundant
fibre-channel
loop.
Note:
Always
add
a
new
DS4000
EXP100
to
the
end
of
a
drive
loop.
Chapter
5.
Installing
and
replacing
components
109